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terwin44About us page. Established in 1975, Terwin Instruments Ltd., are one of the largest manufacturers of extrusion melt pressure temperature transducers, transmitters, indicators, controllersTerwin44 | Situs Slot On Terbaik dan Terpercaya di Indonesia About Terwin. Established in 1975, Terwin Instruments Ltd., are one of the largest manufacturers of extrusion melt pressure